Questions

Spiders belong to which class of animals?

Which of the following measures will not increase a nation's wealth?

Which one of the following is a cation?

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

coal is the _____ source of commercial energy in India. 

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

One of the hazard of swimming (1)/ in the ocean is an unexpected (2)/ encounter with a jellyfish. (3)/ No error (4)

Earth-worms belongs to the phylum

Which of the following three R's are regarded as environment friendly?

The instrument used to determine the rotation speed of a shaft is called